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<!DOCTYPE html>
<meta charset=utf-8>
<title>XPathNSResolver non-string return value</title>
<link rel="help" href="https://www.w3.org/TR/DOM-Level-3-XPath/xpath.html#XPathEvaluator">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/invalid_namespace_test.js"></script>
<div id=log></div>
<script>
"use strict";
promise_test(t => {
return invalid_namespace_test(t, () => undefined);
}, "undefined");
promise_test(t => {
return invalid_namespace_test(t, () => null);
}, "null");
test(t => {
let resolverCalls = 0;
document.evaluate("/foo:bar", document.documentElement, () => {
resolverCalls++;
return 0;
});
assert_equals(resolverCalls, 1);
}, "number");
test(t => {
let resolverCalls = 0;
document.evaluate("/foo:bar", document.documentElement, () => {
resolverCalls++;
return false;
});
assert_equals(resolverCalls, 1);
}, "boolean");
promise_test(t => {
return promise_rejects_js(t, TypeError,
invalid_namespace_test(t, () => Symbol())
);
}, "symbol");
promise_test(t => {
const testError = { name: "test" };
const resolverResult = {
toString: () => { throw testError; },
valueOf: t.unreached_func("`valueOf` should not be called."),
};
return promise_rejects_exactly(t, testError,
invalid_namespace_test(t, () => resolverResult)
);
}, "object coercion (abrupt completion)");
</script>
</body>
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